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PH 1 : Operasi Aljabar Fungsi

Authored by Faris Setiawan

Mathematics

10th Grade

CCSS covered

Used 35+ times

PH 1 : Operasi Aljabar Fungsi
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika  f(x)=2x+5f(x)=2x+5   dan  g(x)=3x+8g(x)=3x+8  , maka  (fg)(x)(f-g)(x)   adalah ...

 x+3x+3  

 x+13x+13  

 x+13-x+13  

 x3-x-3  

 x+3-x+3  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Dari himpunan pasangan berurutan berikut yang merupakan fungsi adalah…

{(1,2),(2,4)(3,6),(4,6)}

{(0,6),(1,4)(0,9),(1,6)}

{(1,2),(1,4)(0,4),(1,6)}

{(0,1),(0,2)(1,3),(1,4)}

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui fungsi  f(x)=x2+2xf\left(x\right)=x^2+2x  dan  g(x)=2x+3g\left(x\right)=\frac{2}{x+3}  maka  (f.g)(x)\left(f.g\right)\left(x\right)  adalah...

 2x24xx+3\frac{2x^2-4x}{x+3}  

 2x2+4xx+3\frac{2x^2+4x}{x+3}  

 2x2+2xx+3\frac{2x^2+2x}{x+3}  

 2x22xx+3\frac{2x^2-2x}{x+3}  

 2x22xx3\frac{2x^2-2x}{x-3}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=6x3, g(x)=5x+4f(x)=6x-3,\ g(x)=5x+4  Diketahui sehingga  (fog)(x)=(fog)(x)=⋯  

 30x+2030x+20  

 30x+2130x+21  

 30x+22-30x+22  

 30x+23-30x+23  

 30x+24-30x+24  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=3x+4f(x)=3x+4  Jika dan  g(x)=62xg(x)=6-2x  , maka nilai dari  (fog)(3)(fog)(3)   adalah ….

-20

-8

4

-10

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika fungsi  f(x)=3x1f(x)=3x-1   dan  g(x)=2x2+2g(x)=2x^2+2   maka  (gof)(x)(gof)(x)   adalah...

 18x2+12x+418x^2+12x+4  

 18x212x418x^2-12x-4  

 18x2+12x418x^2+12x-4  

 18x212x+418x^2-12x+4  

 18x24x+1218x^2-4x+12  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika (fog)(x)=x24\left(fog\right)\left(x\right)=x^2-4  dan  g(x)=x+3g\left(x\right)=x+3  maka  f(x)=....f\left(x\right)=....  

 x26x+13x^2-6x+13  

 x26x+5x^2-6x+5  

 x2+6x+5x^2+6x+5  

 x21x^2-1  

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